<?php
/*
 // Extract Unique Number+Address
 SELECT postal_code, adress, number
FROM  `phone_cutover` 
WHERE  `postal_code` LIKE  '92800'
AND  `cityname` LIKE  'puteaux'
GROUP BY adress, number
HAVING COUNT( number ) =1
LIMIT 0 , 30
 */

/*
 SELECT postal_code,adress,number  FROM `phone_cutover` AS t
WHERE  `postal_code` LIKE '92800' AND `cityname` LIKE 'puteaux' AND NOT EXISTS
(SELECT 1 FROM phone_cutover t2 WHERE t2.postal_code = t.postal_code AND t2.adress = t.adress AND t2.number != t.number)

 */